Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Best-fit alignment of the N-terminal regions of group 1 human (all capitals), mouse (m), rat (r), chicken (c) zebra fish (z), and Xenopus (x) Hox proteins. Numbers indicate amino acid positions within the HOXB1 protein. Amino acids at the borders of the deletions generated in the HOXB1 N terminus (Fig. 4A) are indicated in boldface type.
